Enhanced catalytic activation of photo-Fenton process by CuMnFeO for effective removal of organic contaminants.

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ID: 81567
2019
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Abstract
In this study, CuMnFeO nanoparticles were synthesized through a facile coprecipitation process, evaluated as highly efficient photo-Fenton catalyst for removal of bisphenol A (BPA). Benefit for its larger surface area and unique chemical composition, the CuMnFeO catalyst exhibited superior catalytic activity toward the degradation of BPA, with a rate constant values ranging from 0.247 to 1.090 min based on different operating parameters (catalyst load, initial solution pH, HO concentration and reaction temperature). Importantly, an excellent BPA removal efficiency exceeding 95.2% were obtained after eight successive runs of photo-Fenton process. Electron paramagnetic resonance (EPR) spectroscopy and radical scavenger experiments demonstrated that the hydroxyl radical was the dominant radical in degradation of BPA. A possible BPA degradation pathway was proposed according to the detected intermediates by GC-MS and HPLC. In brief, this work is expected to provide a new heterogeneous photo-Fenton catalyst for the organic pollutants removal from wastewater.
Reference Key
yang2019enhancedchemosphere Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Yang, Jingren;Zhang, Yanhe;Zeng, Deqian;Zhang, Bo;Hassan, Muhammad;Li, Peng;Qi, Chengdu;He, Yiliang;
Journal Chemosphere
Year 2019
DOI
S0045-6535(19)33021-8
URL
Keywords
catalyst hydroxyl radical transition metal oxides efficient degradation photo-fenton reaction

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